Pro-One 201110 Chrome Oil Cooler with Temperature Gauge Universal Clamp for 1-Inch to 1.25-Inch Frame Tube Billet aluminum oil cooler is chrome plated and features cooling louvers in tube body Available with or without oil temperature gauge Oil lines not included. Includes our Billet Clamp to Fit 1" to 1-1/4" Frame Tubes. Length is 8-3/4". Diameter is 2-1/4".